How can I rescan the scsi-bus in freebsd?

[taxman]

On Sunday 30 March 2003 10:52 am, Eveline wrote:
> Hi there,
>
> I'd like to know how to rescan the scsi bus in FreeBSD 4.7. I have an
> external scsi harddisk that I only switch on when needed. I would like to
> be able to mount the hd as soon as I've switched it on, without having to
> reboot my FreeBSD machine.

camcontrol(8) is what you're looking for
man man if you don't know what this means

Tim